Fix typos (#12542)

Signed-off-by: Gjergji Ramku <gjergjiramku@gmail.com>

routers/private/serv.go

@@ -80,7 +80,7 @@ func ServCommand(ctx *macaron.Context) {
 		KeyID:     keyID,
 	}
 
-	// Now because we're not translating things properly let's just default some Engish strings here
+	// Now because we're not translating things properly let's just default some English strings here
 	modeString := "read"
 	if mode > models.AccessModeRead {
 		modeString = "write to"

routers/repo/compare.go

@@ -598,7 +598,7 @@ func ExcerptBlob(ctx *context.Context) {
 	direction := ctx.Query("direction")
 	filePath := ctx.Query("path")
 	gitRepo := ctx.Repo.GitRepo
-	chunkSize := gitdiff.BlobExceprtChunkSize
+	chunkSize := gitdiff.BlobExcerptChunkSize
 	commit, err := gitRepo.GetCommit(commitID)
 	if err != nil {
 		ctx.Error(500, "GetCommit")

services/gitdiff/gitdiff.go

@@ -89,8 +89,8 @@ type DiffLineSectionInfo struct {
 	RightHunkSize int
 }
 
-// BlobExceprtChunkSize represent max lines of excerpt
-const BlobExceprtChunkSize = 20
+// BlobExcerptChunkSize represent max lines of excerpt
+const BlobExcerptChunkSize = 20
 
 // GetType returns the type of a DiffLine.
 func (d *DiffLine) GetType() int {
@@ -139,7 +139,7 @@ func (d *DiffLine) GetExpandDirection() DiffLineExpandDirection {
 	}
 	if d.SectionInfo.LastLeftIdx <= 0 && d.SectionInfo.LastRightIdx <= 0 {
 		return DiffLineExpandUp
-	} else if d.SectionInfo.RightIdx-d.SectionInfo.LastRightIdx > BlobExceprtChunkSize && d.SectionInfo.RightHunkSize > 0 {
+	} else if d.SectionInfo.RightIdx-d.SectionInfo.LastRightIdx > BlobExcerptChunkSize && d.SectionInfo.RightHunkSize > 0 {
 		return DiffLineExpandUpDown
 	} else if d.SectionInfo.LeftHunkSize <= 0 && d.SectionInfo.RightHunkSize <= 0 {
 		return DiffLineExpandDown